Tokyo Ohka Kogyo → Samsung Electronics
As of 2026-09-05, Tokyo Ohka Kogyo is a tracked supplier of Samsung Electronics. Tokyo Ohka Kogyo is a leader in Materials (headquartered in Japan); Samsung Electronics is a leader in IDM (headquartered in South Korea). Tokyo Ohka Kogyo has 8 tracked customers; Samsung Electronics has 215 tracked suppliers.
Data as of 2026-09-05 · relationship type: tracked supplier → customer · both names resolve in companies.json · no dollar amount is shown unless it already sits on a company record, and none is invented here
Why this edge matters
Tokyo Ohka Kogyo (leader in Materials) is a tracked supplier of Samsung Electronics (leader in IDM). Photoresist specialist with leading EUV resist share. World's largest memory maker, plus leading-edge foundry and Exynos design. The edge is one of 215 tracked suppliers of Samsung Electronics and one of 8 tracked customers of Tokyo Ohka Kogyo.
Source: derived from both company records and the counted edges.
Concentration / risk note
Tokyo Ohka Kogyo is positioned as a leader in Materials, so this edge is harder to replace than a challenger or niche supplier.
Basis: supplier position. Omitted on edges where the graph does not back a concentration claim.
The two companies
Tokyo Ohka Kogyo (supplier)
Photoresist specialist with leading EUV resist share.
Samsung Electronics (customer)
World's largest memory maker, plus leading-edge foundry and Exynos design.
Other tracked suppliers of Samsung Electronics
Other tracked customers of Tokyo Ohka Kogyo
Cite as: wafergraph, “Tokyo Ohka Kogyo → Samsung Electronics — supplier relationship in the semiconductor supply chain”, https://wafergraph.com/relationship/tok/samsung/ (data as of 2026-09-05).
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